— Dr. SeussOften attributed to Dr. Seuss without citation; also cited as an anonymous proverb.
This quote has also been attributed to Gabriel García Márquez, in Spanish: "No llores porque ya se terminó, sonríe porque sucedió."
Compare lines from In Memoriam A.H.H. of Tennyson:
&emsp;&emsp;'Tis better to have loved and lost
&emsp;&emsp;Than never to have loved at all.